Dec 18 05:24:52.475 INFO checking SmilingNavern/rconsole against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:24:52.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/SmilingNavern/rconsole:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:24:52.905 INFO [stdout] 0ee0c7eb46dc7890b2afe2f22c254c5cc279036e835cda6903c9f25f90fbb472
Dec 18 05:24:52.908 INFO running `"docker" "start" "-a" "0ee0c7eb46dc7890b2afe2f22c254c5cc279036e835cda6903c9f25f90fbb472"`
Dec 18 05:24:54.664 INFO [stderr]     Checking rconsole v0.1.0 (/opt/crater/workdir)
Dec 18 05:24:55.128 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:24:55.128 INFO [stderr]   --> src/main.rs:32:9
Dec 18 05:24:55.128 INFO [stderr]    |
Dec 18 05:24:55.128 INFO [stderr] 32 |         sysreq_fh.write(key.as_bytes());
Dec 18 05:24:55.128 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:24:55.152 INFO [stderr]    |
Dec 18 05:24:55.152 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:24:55.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:24:55.152 INFO [stderr] 
Dec 18 05:24:55.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:24:55.152 INFO [stderr]   --> src/main.rs:53:13
Dec 18 05:24:55.152 INFO [stderr]    |
Dec 18 05:24:55.152 INFO [stderr] 53 |             do_sysreq(&mut stream, c.to_lowercase(), sysreq_fh);
Dec 18 05:24:55.152 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:24:55.152 INFO [stderr]    |
Dec 18 05:24:55.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:24:55.152 INFO [stderr] 
Dec 18 05:24:55.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:24:55.260 INFO [stderr]   --> src/main.rs:32:9
Dec 18 05:24:55.260 INFO [stderr]    |
Dec 18 05:24:55.260 INFO [stderr] 32 |         sysreq_fh.write(key.as_bytes());
Dec 18 05:24:55.260 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:24:55.260 INFO [stderr]    |
Dec 18 05:24:55.260 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:24:55.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:24:55.260 INFO [stderr] 
Dec 18 05:24:55.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 05:24:55.260 INFO [stderr]   --> src/main.rs:53:13
Dec 18 05:24:55.260 INFO [stderr]    |
Dec 18 05:24:55.260 INFO [stderr] 53 |             do_sysreq(&mut stream, c.to_lowercase(), sysreq_fh);
Dec 18 05:24:55.260 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:24:55.260 INFO [stderr]    |
Dec 18 05:24:55.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 05:24:55.260 INFO [stderr] 
Dec 18 05:24:55.282 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 18 05:24:56.440 INFO running `"docker" "inspect" "0ee0c7eb46dc7890b2afe2f22c254c5cc279036e835cda6903c9f25f90fbb472"`
Dec 18 05:24:56.722 INFO running `"docker" "rm" "-f" "0ee0c7eb46dc7890b2afe2f22c254c5cc279036e835cda6903c9f25f90fbb472"`
Dec 18 05:24:57.136 INFO [stdout] 0ee0c7eb46dc7890b2afe2f22c254c5cc279036e835cda6903c9f25f90fbb472